Thursday, January 21, 2020. Day 5

Do Now:

To Be Completed:

Cell structure review due Sunday

  • January 24, 2021

Today’s Lesson:

Go over Traits and Organisms Quiz

Go over Duckster DNA

Unit Notes: DNA and Genes

DNA

  • deoxyribonucleic acid

    • herditary molecule in cell nucleus

    • stores information for cell function and traits or organism

  • Four Letters

    • Info is stored in four different nucleotides called bases

    • each has one of four letters

      • A G C T

    • These form “base pairs”

      • A pairs with T

      • C pairs with G

  • DNA structure

    • Molecule looks like a twisted ladder

      • Side made of phosphate-deoxyribose backbone

      • rungs made of base pairs

    • twisted shape called “double helix”

Time to work on Cell structure review

DNA_structure.gif